2507379421 has 2 divisors, whose sum is σ = 2507379422. Its totient is φ = 2507379420.

The previous prime is 2507379383. The next prime is 2507379529. The reversal of 2507379421 is 1249737052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2380366521 + 127012900 = 48789^2 + 11270^2 .

It is a cyclic number.

It is not a de Polignac number, because 2507379421 - 2³¹ = 359895773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2507379221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253689710 + 1253689711.

It is an arithmetic number, because the mean of its divisors is an integer number (1253689711).

Almost surely, 2^2507379421 is an apocalyptic number.

It is an amenable number.

2507379421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2507379421 is an equidigital number, since it uses as much as digits as its factorization.

2507379421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 2507379421 is about 50073.7398343683. The cubic root of 2507379421 is about 1358.5428852193.

The spelling of 2507379421 in words is "two billion, five hundred seven million, three hundred seventy-nine thousand, four hundred twenty-one".