525888401 has 4 divisors (see below), whose sum is σ = 527075952. Its totient is φ = 524700852.

The previous prime is 525888397. The next prime is 525888431. The reversal of 525888401 is 104888525.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 525888401 - 2² = 525888397 is a prime.

It is a super-2 number, since 2×525888401² = 553117220612673602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525888431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593111 + ... + 593996.

It is an arithmetic number, because the mean of its divisors is an integer number (131768988).

Almost surely, 2^525888401 is an apocalyptic number.

It is an amenable number.

525888401 is a deficient number, since it is larger than the sum of its proper divisors (1187551).

525888401 is a wasteful number, since it uses less digits than its factorization.

525888401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187550.

The product of its (nonzero) digits is 102400, while the sum is 41.

The square root of 525888401 is about 22932.2567794799. The cubic root of 525888401 is about 807.1691051927.

The spelling of 525888401 in words is "five hundred twenty-five million, eight hundred eighty-eight thousand, four hundred one".