1925001247 has 8 divisors (see below), whose sum is σ = 2073930320. Its totient is φ = 1776193920.

The previous prime is 1925001233. The next prime is 1925001259. The reversal of 1925001247 is 7421005291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1925001247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1925001277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3847 + ... + 62167.

It is an arithmetic number, because the mean of its divisors is an integer number (259241290).

Almost surely, 2^1925001247 is an apocalyptic number.

1925001247 is a deficient number, since it is larger than the sum of its proper divisors (148929073).

1925001247 is a wasteful number, since it uses less digits than its factorization.

1925001247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60873.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1925001247 is about 43874.8361478422. The cubic root of 1925001247 is about 1243.9712359760.

The spelling of 1925001247 in words is "one billion, nine hundred twenty-five million, one thousand, two hundred forty-seven".