375201561 has 16 divisors (see below), whose sum is σ = 576241664. Its totient is φ = 212711184.

The previous prime is 375201539. The next prime is 375201581. The reversal of 375201561 is 165102573.

It is not a de Polignac number, because 375201561 - 2¹⁰ = 375200537 is a prime.

It is a super-2 number, since 2×375201561² = 281552422753673442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (375201581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67675 + ... + 73008.

It is an arithmetic number, because the mean of its divisors is an integer number (36015104).

Almost surely, 2^375201561 is an apocalyptic number.

It is an amenable number.

375201561 is a deficient number, since it is larger than the sum of its proper divisors (201040103).

375201561 is a wasteful number, since it uses less digits than its factorization.

375201561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140820.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 375201561 is about 19370.1203145463. The cubic root of 375201561 is about 721.2539625749.

The spelling of 375201561 in words is "three hundred seventy-five million, two hundred one thousand, five hundred sixty-one".