525154401 has 16 divisors (see below), whose sum is σ = 779325120. Its totient is φ = 349509600.

The previous prime is 525154397. The next prime is 525154403. The reversal of 525154401 is 104451525.

525154401 is a `hidden beast` number, since 5 + 251 + 5 + 4 + 401 = 666.

It is not a de Polignac number, because 525154401 - 2² = 525154397 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (525154403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46 + ... + 32408.

It is an arithmetic number, because the mean of its divisors is an integer number (48707820).

Almost surely, 2^525154401 is an apocalyptic number.

It is an amenable number.

525154401 is a deficient number, since it is larger than the sum of its proper divisors (254170719).

525154401 is a wasteful number, since it uses less digits than its factorization.

525154401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32973 (or 32967 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 525154401 is about 22916.2475331368. The cubic root of 525154401 is about 806.7933993866.

The spelling of 525154401 in words is "five hundred twenty-five million, one hundred fifty-four thousand, four hundred one".