1402265401 has 2 divisors, whose sum is σ = 1402265402. Its totient is φ = 1402265400.

The previous prime is 1402265363. The next prime is 1402265419. The reversal of 1402265401 is 1045622041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1260179001 + 142086400 = 35499^2 + 11920^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402265401 - 2¹⁵ = 1402232633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402265441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701132700 + 701132701.

It is an arithmetic number, because the mean of its divisors is an integer number (701132701).

Almost surely, 2^1402265401 is an apocalyptic number.

It is an amenable number.

1402265401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402265401 is an equidigital number, since it uses as much as digits as its factorization.

1402265401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1402265401 is about 37446.8343254807. The cubic root of 1402265401 is about 1119.2920166845.

Adding to 1402265401 its reverse (1045622041), we get a palindrome (2447887442).

The spelling of 1402265401 in words is "one billion, four hundred two million, two hundred sixty-five thousand, four hundred one".