152527381 has 4 divisors (see below), whose sum is σ = 153728512. Its totient is φ = 151326252.

The previous prime is 152527373. The next prime is 152527387. The reversal of 152527381 is 183725251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 183725251 = 31 ⋅5926621.

It is a cyclic number.

It is not a de Polignac number, because 152527381 - 2³ = 152527373 is a prime.

It is a super-2 number, since 2×152527381² = 46529203909438322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152527387) 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, 600375 + ... + 600628.

It is an arithmetic number, because the mean of its divisors is an integer number (38432128).

Almost surely, 2^152527381 is an apocalyptic number.

It is an amenable number.

152527381 is a deficient number, since it is larger than the sum of its proper divisors (1201131).

152527381 is a wasteful number, since it uses less digits than its factorization.

152527381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201130.

The product of its digits is 16800, while the sum is 34.

The square root of 152527381 is about 12350.1976097551. The cubic root of 152527381 is about 534.2968384752.

The spelling of 152527381 in words is "one hundred fifty-two million, five hundred twenty-seven thousand, three hundred eighty-one".