525063401 has 4 divisors (see below), whose sum is σ = 525186900. Its totient is φ = 524939904.

The previous prime is 525063359. The next prime is 525063431. The reversal of 525063401 is 104360525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 322741225 + 202322176 = 17965^2 + 14224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525063401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525063431) 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, 55136 + ... + 63953.

It is an arithmetic number, because the mean of its divisors is an integer number (131296725).

Almost surely, 2^525063401 is an apocalyptic number.

It is an amenable number.

525063401 is a deficient number, since it is larger than the sum of its proper divisors (123499).

525063401 is a wasteful number, since it uses less digits than its factorization.

525063401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123498.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 525063401 is about 22914.2619562577. The cubic root of 525063401 is about 806.7467956701.

The spelling of 525063401 in words is "five hundred twenty-five million, sixty-three thousand, four hundred one".