2537417921 has 8 divisors (see below), whose sum is σ = 2620825344. Its totient is φ = 2454107760.

The previous prime is 2537417893. The next prime is 2537417929. The reversal of 2537417921 is 1297147352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2537417921 - 2²² = 2533223617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2537417929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30731 + ... + 77583.

It is an arithmetic number, because the mean of its divisors is an integer number (327603168).

Almost surely, 2^2537417921 is an apocalyptic number.

It is an amenable number.

2537417921 is a deficient number, since it is larger than the sum of its proper divisors (83407423).

2537417921 is a wasteful number, since it uses less digits than its factorization.

2537417921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48631.

The product of its digits is 105840, while the sum is 41.

The square root of 2537417921 is about 50372.7894899617. The cubic root of 2537417921 is about 1363.9464955019.

It can be divided in two parts, 25374 and 17921, that multiplied together give a palindrome (454727454).

The spelling of 2537417921 in words is "two billion, five hundred thirty-seven million, four hundred seventeen thousand, nine hundred twenty-one".