252277545 has 32 divisors (see below), whose sum is σ = 437415552. Its totient is φ = 123420672.

The previous prime is 252277541. The next prime is 252277559. The reversal of 252277545 is 545772252.

252277545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252277545 - 2² = 252277541 is a prime.

It is a super-2 number, since 2×252277545² = 127287919422454050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (252277541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27817 + ... + 35753.

It is an arithmetic number, because the mean of its divisors is an integer number (13669236).

Almost surely, 2^252277545 is an apocalyptic number.

It is an amenable number.

252277545 is a deficient number, since it is larger than the sum of its proper divisors (185138007).

252277545 is a wasteful number, since it uses less digits than its factorization.

252277545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8121.

The product of its digits is 196000, while the sum is 39.

The square root of 252277545 is about 15883.2473065176. The cubic root of 252277545 is about 631.8677627847.

The spelling of 252277545 in words is "two hundred fifty-two million, two hundred seventy-seven thousand, five hundred forty-five".