35225521531 has 2 divisors, whose sum is σ = 35225521532. Its totient is φ = 35225521530.

The previous prime is 35225521511. The next prime is 35225521547. The reversal of 35225521531 is 13512552253.

It is a strong prime.

It is an emirp because it is prime and its reverse (13512552253) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35225521531 is a prime.

It is a super-2 number, since 2×35225521531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (35225521511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17612760765 + 17612760766.

It is an arithmetic number, because the mean of its divisors is an integer number (17612760766).

Almost surely, 2^35225521531 is an apocalyptic number.

35225521531 is a deficient number, since it is larger than the sum of its proper divisors (1).

35225521531 is an equidigital number, since it uses as much as digits as its factorization.

35225521531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45000, while the sum is 34.

The spelling of 35225521531 in words is "thirty-five billion, two hundred twenty-five million, five hundred twenty-one thousand, five hundred thirty-one".