525131501 has 2 divisors, whose sum is σ = 525131502. Its totient is φ = 525131500.

The previous prime is 525131483. The next prime is 525131531. The reversal of 525131501 is 105131525.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419020900 + 106110601 = 20470^2 + 10301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525131501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525131531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262565750 + 262565751.

It is an arithmetic number, because the mean of its divisors is an integer number (262565751).

Almost surely, 2^525131501 is an apocalyptic number.

It is an amenable number.

525131501 is a deficient number, since it is larger than the sum of its proper divisors (1).

525131501 is an equidigital number, since it uses as much as digits as its factorization.

525131501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 525131501 is about 22915.7478821879. The cubic root of 525131501 is about 806.7816721451.

The spelling of 525131501 in words is "five hundred twenty-five million, one hundred thirty-one thousand, five hundred one".