1925213070 has 128 divisors (see below), whose sum is σ = 5213237760. Its totient is φ = 451008000.

The previous prime is 1925213063. The next prime is 1925213077. The reversal of 1925213070 is 703125291.

It is an interprime number because it is at equal distance from previous prime (1925213063) and next prime (1925213077).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1925213077) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1186860 + ... + 1188480.

It is an arithmetic number, because the mean of its divisors is an integer number (40728420).

Almost surely, 2^1925213070 is an apocalyptic number.

1925213070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1925213070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2606618880).

1925213070 is an abundant number, since it is smaller than the sum of its proper divisors (3288024690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1925213070 is a wasteful number, since it uses less digits than its factorization.

1925213070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1925213070 is about 43877.2500277764. The cubic root of 1925213070 is about 1244.0168622763.

It can be divided in two parts, 192521 and 3070, that added together give a palindrome (195591).

The spelling of 1925213070 in words is "one billion, nine hundred twenty-five million, two hundred thirteen thousand, seventy".