531025937 has 8 divisors (see below), whose sum is σ = 572728296. Its totient is φ = 489445632.

The previous prime is 531025919. The next prime is 531025951. The reversal of 531025937 is 739520135.

It is a happy number.

It is a Cunningham number, because it is equal to 23044²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 51897616 + 479128321 = 7204^2 + 21889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 531025937 - 2¹⁰ = 531024913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531025897 and 531025906.

It is not an unprimeable number, because it can be changed into a prime (531025997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21368 + ... + 38969.

It is an arithmetic number, because the mean of its divisors is an integer number (71591037).

Almost surely, 2^531025937 is an apocalyptic number.

It is an amenable number.

531025937 is a deficient number, since it is larger than the sum of its proper divisors (41702359).

531025937 is a wasteful number, since it uses less digits than its factorization.

531025937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61027.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 531025937 is about 23044.0000216976. Note that the first 4 decimals coincide. The cubic root of 531025937 is about 809.7890712271.

The spelling of 531025937 in words is "five hundred thirty-one million, twenty-five thousand, nine hundred thirty-seven".