1925213531 has 2 divisors, whose sum is σ = 1925213532. Its totient is φ = 1925213530.

The previous prime is 1925213383. The next prime is 1925213533. The reversal of 1925213531 is 1353125291.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1925213531 - 2¹⁰ = 1925212507 is a prime.

It is a super-2 number, since 2×1925213531² = 7412894279890975922, which contains 22 as substring.

Together with 1925213533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1925213533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962606765 + 962606766.

It is an arithmetic number, because the mean of its divisors is an integer number (962606766).

Almost surely, 2^1925213531 is an apocalyptic number.

1925213531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1925213531 is an equidigital number, since it uses as much as digits as its factorization.

1925213531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 32.

The square root of 1925213531 is about 43877.2552810679. The cubic root of 1925213531 is about 1244.0169615712.

The spelling of 1925213531 in words is "one billion, nine hundred twenty-five million, two hundred thirteen thousand, five hundred thirty-one".