1523225755 has 16 divisors (see below), whose sum is σ = 1936311264. Its totient is φ = 1146355200.

The previous prime is 1523225749. The next prime is 1523225843. The reversal of 1523225755 is 5575223251.

It is not a de Polignac number, because 1523225755 - 2³ = 1523225747 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325180 + ... + 329830.

It is an arithmetic number, because the mean of its divisors is an integer number (121019454).

Almost surely, 2^1523225755 is an apocalyptic number.

1523225755 is a deficient number, since it is larger than the sum of its proper divisors (413085509).

1523225755 is a wasteful number, since it uses less digits than its factorization.

1523225755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8526.

The product of its digits is 105000, while the sum is 37.

The square root of 1523225755 is about 39028.5248888553. The cubic root of 1523225755 is about 1150.5921978282.

The spelling of 1523225755 in words is "one billion, five hundred twenty-three million, two hundred twenty-five thousand, seven hundred fifty-five".