1825720475 has 12 divisors (see below), whose sum is σ = 2268634560. Its totient is φ = 1457517600.

The previous prime is 1825720471. The next prime is 1825720487. The reversal of 1825720475 is 5740275281.

It is not a de Polignac number, because 1825720475 - 2² = 1825720471 is a prime.

It is a super-4 number, since 4×1825720475⁴ (a number of 38 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1825720471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64256 + ... + 88205.

It is an arithmetic number, because the mean of its divisors is an integer number (189052880).

Almost surely, 2^1825720475 is an apocalyptic number.

1825720475 is a deficient number, since it is larger than the sum of its proper divisors (442914085).

1825720475 is a wasteful number, since it uses less digits than its factorization.

1825720475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152950 (or 152945 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 41.

The square root of 1825720475 is about 42728.4504165550. The cubic root of 1825720475 is about 1222.2069867323.

The spelling of 1825720475 in words is "one billion, eight hundred twenty-five million, seven hundred twenty thousand, four hundred seventy-five".