42625501 has 4 divisors (see below), whose sum is σ = 42640000. Its totient is φ = 42611004.

The previous prime is 42625487. The next prime is 42625523. The reversal of 42625501 is 10552624.

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.

It is a cyclic number.

It is not a de Polignac number, because 42625501 - 2¹⁵ = 42592733 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 (42622501) 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, 1101 + ... + 9298.

It is an arithmetic number, because the mean of its divisors is an integer number (10660000).

Almost surely, 2^42625501 is an apocalyptic number.

It is an amenable number.

42625501 is a deficient number, since it is larger than the sum of its proper divisors (14499).

42625501 is a wasteful number, since it uses less digits than its factorization.

42625501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14498.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 42625501 is about 6528.8207970506. The cubic root of 42625501 is about 349.3197699761.

The spelling of 42625501 in words is "forty-two million, six hundred twenty-five thousand, five hundred one".