1252503152531 has 8 divisors (see below), whose sum is σ = 1299469463424. Its totient is φ = 1205947028160.

The previous prime is 1252503152471. The next prime is 1252503152557. The reversal of 1252503152531 is 1352513052521.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252503152531 is a prime.

It is a super-2 number, since 2×1252503152531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252503152491 and 1252503152500.

It is not an unprimeable number, because it can be changed into a prime (1252503152231) 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, 102540410 + ... + 102552623.

It is an arithmetic number, because the mean of its divisors is an integer number (162433682928).

Almost surely, 2^{1252503152531} is an apocalyptic number.

1252503152531 is a deficient number, since it is larger than the sum of its proper divisors (46966310893).

1252503152531 is a wasteful number, since it uses less digits than its factorization.

1252503152531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205093261.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 1252503152531 in words is "one trillion, two hundred fifty-two billion, five hundred three million, one hundred fifty-two thousand, five hundred thirty-one".