1520552151 has 6 divisors (see below), whose sum is σ = 2196353120. Its totient is φ = 1013701428.

The previous prime is 1520552147. The next prime is 1520552161. The reversal of 1520552151 is 1512550251.

It is not a de Polignac number, because 1520552151 - 2² = 1520552147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520552161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84475111 + ... + 84475128.

Almost surely, 2^1520552151 is an apocalyptic number.

1520552151 is a deficient number, since it is larger than the sum of its proper divisors (675800969).

1520552151 is a wasteful number, since it uses less digits than its factorization.

1520552151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168950245 (or 168950242 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The square root of 1520552151 is about 38994.2579234430. The cubic root of 1520552151 is about 1149.9186208324.

The spelling of 1520552151 in words is "one billion, five hundred twenty million, five hundred fifty-two thousand, one hundred fifty-one".