1455525131 has 4 divisors (see below), whose sum is σ = 1455612264. Its totient is φ = 1455438000.

The previous prime is 1455525121. The next prime is 1455525139. The reversal of 1455525131 is 1315255541.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1315255541 = 17 ⋅77367973.

It is a cyclic number.

It is not a de Polignac number, because 1455525131 - 2⁶ = 1455525067 is a prime.

It is a super-2 number, since 2×1455525131² = 4237106813945134322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455525139) 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, 9770 + ... + 54831.

It is an arithmetic number, because the mean of its divisors is an integer number (363903066).

Almost surely, 2^1455525131 is an apocalyptic number.

1455525131 is a deficient number, since it is larger than the sum of its proper divisors (87133).

1455525131 is an equidigital number, since it uses as much as digits as its factorization.

1455525131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87132.

The product of its digits is 15000, while the sum is 32.

The square root of 1455525131 is about 38151.3450745842. The cubic root of 1455525131 is about 1133.2869890411.

The spelling of 1455525131 in words is "one billion, four hundred fifty-five million, five hundred twenty-five thousand, one hundred thirty-one".